Here are some more
https://flosstyle.com/product/itty-b...wborn-pattern/
https://www.lulu.com/shop/http:/www....e=1&pageSize=4
https://badskirt.blogspot.com/2012/1...orial.html?m=1
https://web.archive.org/web/20090731...83/preemie.htm if you click on the teddy bear at the top it will take you to a zip file which has several jpg files which will tell how to sew and measurements to draft it yourself.
Then there is
https://preemiestore.com/ which is not patterns but items made for preemies.